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3109201 = 4372307
BaseRepresentation
bin1011110111000101010001
312211222000121
423313011101
51243443301
6150350241
735266504
oct13670521
95758017
103109201
111833a97
12105b381
1384b284
145ad13b
154163a1
hex2f7151

3109201 has 4 divisors (see below), whose sum is σ = 3181552. Its totient is φ = 3036852.

The previous prime is 3109199. The next prime is 3109213. The reversal of 3109201 is 1029013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3109201 - 21 = 3109199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3109501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36111 + ... + 36196.

It is an arithmetic number, because the mean of its divisors is an integer number (795388).

Almost surely, 23109201 is an apocalyptic number.

It is an amenable number.

3109201 is a deficient number, since it is larger than the sum of its proper divisors (72351).

3109201 is an equidigital number, since it uses as much as digits as its factorization.

3109201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72350.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 3109201 is about 1763.2926586361. The cubic root of 3109201 is about 145.9540888983.

The spelling of 3109201 in words is "three million, one hundred nine thousand, two hundred one".

Divisors: 1 43 72307 3109201